Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total	$ 4,747.9	$ 4,429.3
Less - current portion	92.8	95.7
Long-term portion	4,655.1	4,333.6
Fair Value
Debt Instrument [Line Items]
Total	4,517.6	4,655.4
Less - current portion	92.8	95.7
Long-term portion	4,424.8	4,559.7
Other Borrowings
Debt Instrument [Line Items]
Total	29.5	32.4
Other Borrowings | Fair Value
Debt Instrument [Line Items]
Total	$ 29.5	32.4
U.S. Dollar-Denominated Term Loans | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)	3.00%
Total	$ 666.5	684.7
Unamortized debt issuance cost	1.0	1.1
U.S. Dollar-Denominated Term Loans | Line of Credit | Revolving Credit Facility | Fair Value
Debt Instrument [Line Items]
Total	$ 666.5	684.7
Multi-Currency Revolving Loan Facility | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)	2.70%
Total	$ 570.2	231.5
Unamortized debt issuance cost	0.8	0.9
Multi-Currency Revolving Loan Facility | Line of Credit | Revolving Credit Facility | Fair Value
Debt Instrument [Line Items]
Total	$ 570.2	231.5
Floating Rate Notes, due 2021 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	2.30%
Total	$ 498.3	498.0
Unamortized debt issuance cost	1.7	2.0
Floating Rate Notes, due 2021 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total	$ 496.4	500.0
4.375% Senior Notes, due 2023 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	4.50%
Total	$ 249.1	249.1
Stated interest rate (as a percent)	4.375%
Unamortized debt issuance cost	$ 0.9	0.9
4.375% Senior Notes, due 2023 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total	$ 253.4	263.9
4.150 Percent Senior Notes Due Twenty Thousand and Twenty Four | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	4.60%
Total	$ 744.7	744.3
Stated interest rate (as a percent)	4.15%
Unamortized debt issuance cost	$ 5.3	5.7
4.150 Percent Senior Notes Due Twenty Thousand and Twenty Four | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total	$ 713.7	805.5
4.70 Percent Senior Notes Due Twenty Thousand and Twenty Six | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	5.00%
Total	$ 1,241.0	1,240.8
Stated interest rate (as a percent)	4.70%
Unamortized debt issuance cost	$ 9.0	9.2
4.70 Percent Senior Notes Due Twenty Thousand and Twenty Six | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total	$ 1,114.5	1,378.3
3.45% Senior Notes, due 2026 | Senior Notes
Debt Instrument [Line Items]
Effective interest rate (as a percent)	3.50%
Total	$ 748.6	748.5
Stated interest rate (as a percent)	3.45%
Unamortized debt issuance cost	$ 1.4	1.5
3.45% Senior Notes, due 2026 | Senior Notes | Fair Value
Debt Instrument [Line Items]
Total	$ 673.4	$ 759.1